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| author | Paul B Mahol <onemda@gmail.com> | 2012-10-13 09:26:09 +0000 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2012-10-13 16:02:09 +0000 |
| commit | f58f90238fc63090da34c9fdb1d06d724d929f6d (patch) | |
| tree | 40f5ab0ac113d6242d8958c986df0a8828b7b01e | |
| parent | 8288c2b6cb072b61f664bc8ab4c1b0a5a8db0ead (diff) | |
| download | ffmpeg-f58f90238fc63090da34c9fdb1d06d724d929f6d.tar.gz | |
pngenc: write sample aspect ratio
Signed-off-by: Paul B Mahol <onemda@gmail.com>
| -rw-r--r-- | libavcodec/pngenc.c | 5 | ||||
| -rw-r--r-- | tests/ref/lavf/png | 12 |
2 files changed, 11 insertions, 6 deletions
diff --git a/libavcodec/pngenc.c b/libavcodec/pngenc.c index 87d18d491a..c91f28941f 100644 --- a/libavcodec/pngenc.c +++ b/libavcodec/pngenc.c @@ -335,6 +335,11 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, png_write_chunk(&s->bytestream, MKTAG('I', 'H', 'D', 'R'), s->buf, 13); + AV_WB32(s->buf, avctx->sample_aspect_ratio.num); + AV_WB32(s->buf + 4, avctx->sample_aspect_ratio.den); + s->buf[8] = 0; /* unit specifier is unknown */ + png_write_chunk(&s->bytestream, MKTAG('p', 'H', 'Y', 's'), s->buf, 9); + /* put the palette if needed */ if (color_type == PNG_COLOR_TYPE_PALETTE) { int has_alpha, alpha, i; diff --git a/tests/ref/lavf/png b/tests/ref/lavf/png index 4e646284eb..40e7cca014 100644 --- a/tests/ref/lavf/png +++ b/tests/ref/lavf/png @@ -1,9 +1,9 @@ -c162094e51dc1a3203de43e496086dfd *./tests/data/images/png/02.png +2af72da4468e61a37c220b25cb28618a *./tests/data/images/png/02.png ./tests/data/images/png/%02d.png CRC=0x6da01946 -248612 ./tests/data/images/png/02.png -63805114b3723490833789277246276f *./tests/data/images/png/02.png +248633 ./tests/data/images/png/02.png +62b26c9582ba37dd37b76191338f3770 *./tests/data/images/png/02.png ./tests/data/images/png/%02d.png CRC=0x831a2963 -41666 ./tests/data/images/png/02.png -b4c1f0b706a296ba6e791d436757dc5f *./tests/data/images/png/02.png +41687 ./tests/data/images/png/02.png +b4e38244c97debe3f528e7d1adb283ef *./tests/data/images/png/02.png ./tests/data/images/png/%02d.png CRC=0x5984c023 -511879 ./tests/data/images/png/02.png +511900 ./tests/data/images/png/02.png |